Does individual quality mask the detection of performance trade-offs? A test using analyses of human physical performance.

@article{Wilson2014DoesIQ,
  title={Does individual quality mask the detection of performance trade-offs? A test using analyses of human physical performance.},
  author={Robbie S Wilson and Amanda C. Niehaus and Gwendolyn Kim David and Andrew H Hunter and Michelle Smith},
  journal={The Journal of experimental biology},
  year={2014},
  volume={217 Pt 4},
  pages={545-51}
}
Why are performance trade-offs so rarely detected in animals when their underlying physiological basis seems so intuitive? One possibility is that individual variation in health, fitness, nutrition, development or genetics, or 'individual quality', makes some individuals better or worse performers across all motor tasks. If this is the case, then correcting for individual quality should reveal functional trade-offs that might otherwise be overlooked. We tested this idea by exploring trade-offs… CONTINUE READING
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